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Bug Tracker

ID 18
Status Closed (Migrated)
Category datatool
Version 2.11
Interpreter N/A
Summary xkeyval incompatibility

Report

Migrated to Error if \DTLnewdbentry's third argument is an empty macro

Hi,

a file which used to compile doesn't compile anymore, due to an "! Paragraph ended before \@dtl@checknumericalstart was complete." error.

Thanks!

MWE

\listfiles{}

\documentclass{article}
\usepackage{datatool}
\DTLnewdb{mydata}
\makeatletter
\define@cmdkeys{family}{firstname}[none]
\setkeys{family}{firstname=}%
\newcommand{\populatemydata}[2][]{%
  \dtlexpandnewvalue
  \setkeys{family}{#1}%
  \DTLnewrow{mydata}%
  \DTLnewdbentry{mydata}{Surname}{#2}%
  \DTLnewdbentry{mydata}{FirstName}{\cmdKV@family@firstname}
  \setkeys{family}{firstname=}%
}
\makeatother
\begin{document}
\populatemydata{Doe}
\populatemydata[firstname=John]{Doe}

\DTLdisplaydb{mydata}
\end{document}
Comment from Denis Bitouze
Date: 2013-01-16 14:49:53 CST

Same trouble with version 2.13

Comment from Denis Bitouze
Date: 2013-01-18 10:56:32 CST

Hi,

in fact, the bug has nothing to do with xkeyval (sorry), but if \DTLnewdbentry's third argument (value of the identifier key) is an empty macro.

The following MCE shows the problem:

  \DTLnewdbentry{mydata}{Surname}{\test}%

is OK as long as \test is a non-empty macro (uncomment penultimate line to bring out the error).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\documentclass{article}
\usepackage{datatool}
%
\newcommand{\test}{}
%
\begin{document}
%
\DTLnewdb{mydata}%
%
\renewcommand{\test}{Doe}
\DTLnewrow{mydata}%
\DTLnewdbentry{mydata}{Surname}{\test}%
%
\renewcommand{\test}{}
\DTLnewrow{mydata}%
% \DTLnewdbentry{mydata}{Surname}{\test}%
\end{document}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

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